12. Flutter Shutter Camera Raskar, Agrawal, Tumblin [Siggraph2006] LCD opacity switched in coded sequence
13. Short Exposure Traditional MURA Coded Deblurred Result Captured Single Photo Shutter Banding Artifacts and some spatial frequencies are lost Dark and noisy
14. Blurring == Convolution Traditional Camera: Shutter is OPEN: Box Filter PSF == Sinc Function ω Sharp Photo Blurred Photo Fourier Transform
15. Flutter Shutter: Shutter is OPEN and CLOSED Sharp Photo Blurred Photo PSF == Broadband Function Fourier Transform Preserves High Spatial Frequencies
37. Mask? Sensor 4D Light Field from 2D Photo: Heterodyne Light Field Camera Full Resolution Digital Refocusing: Coded Aperture Camera Mask? Sensor Mask Sensor Mask? Sensor Mask Sensor
49. How to Capture 2D Light Field with 1D Sensor ? f θ f x f θ 0 f x0 Band-limited Light Field Sensor Slice Fourier Light Field Space
50. Extra sensor bandwidth cannot capture extra dimension of the light field f θ f x f θ 0 f x0 Sensor Slice Extra sensor bandwidth Fourier Light Field Space
54. Demodulation to recover Light Field f θ f x Reshape 1D Fourier Transform into 2D 1D Fourier Transform of Sensor Signal
55. Mask Sensor Where to place the Mask? Mask Modulation Function f x f θ
56. Full resolution 2D image of Focused Scene Parts Captured 2D Photo Image of White Lambertian Plane divide
57. Coding and Modulation in Camera Using Masks Coded Aperture for Full Resolution Digital Refocusing Heterodyne Light Field Camera Mask? Sensor Mask Sensor Mask Sensor
58. Agile Spectrum Imaging Programmable Color Gamut for Sensor With Ankit Mohan, Jack Tumblin [Eurographics 2008]
59. R ≈ 0.0 G ≈ 0.2 B ≈ 0.8 Traditional Fixed Color Gamut B G R
67. Towards a 6D Display Passive Reflectance Field Display Martin Fuchs, Ramesh Raskar, Hans-Peter Seidel, Hendrik P. A. Lensch Siggraph 2008 1 2 1 1 1 MPI Informatik, Germany 2 MIT 2D 2D 2D